Topsin WSP 5 x 1 lb bags
Topsin WSP 5 x 1 lb bags
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Topsin M WSB Fungicide Overview
Topsin® M WSB is a broad‑spectrum, systemic fungicide containing 70% thiophanate‑methyl, widely used in agriculture and horticulture to prevent and control a range of fungal diseases
Active Ingredient & Formulation
Active ingredient: Thiophanate‑methyl (benzimidazole class)
Formulation: Wettable soluble powder (WSB) in water‑soluble bags, also available as wettable powder (WP)
Mode of action: Systemic — moves within plant tissue to protect internal tissues from infection
Shipping & Returns
Shipping & Returns
Most orders qualify for free shipping. Oversized, heavy, freight, and certain other products may have additional shipping charges. Any applicable shipping charges will be shown or communicated before fulfillment. Please contact us if you have questions about shipping or returns before ordering.
Product Use & Label Information
Product Use & Label Information
Always read and follow the product label before use. The label is the controlling source for approved use sites, target pests or weeds, application rates, timing, precautions, restrictions, and personal protective equipment. Product information on this website is provided as a general reference and does not replace the product label.
